Home / 1,112,426.28-1,535,151.62-603,128.88

Finding the Fourth Proportional to 1,112,426.28, 1,535,151.62 and 603,128.88

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Solution

The fourth proportional to 1,112,426.28, 1,535,151.62 and 603,128.88 is: 832,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,426.28 : 1,535,151.62 = 603,128.88 : x
  2. Step 2: Convert to fraction form
    1,112,426.28/1,535,151.62 = 603,128.88/x
  3. Step 3: Cross multiply
    1,112,426.28x = 1,535,151.62 × 603,128.88
  4. Step 4: Simplify right side
    1,112,426.28x = 925,894,277,200.79
  5. Step 5: Solve for x
    x = 925,894,277,200.79/1,112,426.28
  6. Step 6: Final answer
    x = 832,319.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.